Renaming unittest parts- missed these when giving the libraries proper names.

pkg/unittest/lib/src/utils.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library utils;
+library unittest.utils;
 
 /**
  * Returns the name of the type of [x], or "Unknown" if the type name can't be
  * determined.
  */
 String typeName(x) {
   // dart2js blows up on some objects (e.g. window.navigator).
   // So we play safe here.
   try {
     if (x == null) return "null";
@@ skipping 44 matching lines @@
   String toString() => '($first, $last)';
 
   bool operator==(other) {
     if (other is! Pair) return false;
     return other.first == first && other.last == last;
   }
 
   int get hashCode => first.hashCode ^ last.hashCode;
 }